From: Fabrice Bellard <fabrice@bellard.org>
To: balrogg@gmail.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] IRQ sharing in PCI bus
Date: Sat, 23 Sep 2006 19:38:28 +0200 [thread overview]
Message-ID: <45157114.4010901@bellard.org> (raw)
In-Reply-To: <fb249edb0609231025u193efba8o4d0aa4c2d4a4a13e@mail.gmail.com>
andrzej zaborowski wrote:
> This allows multiple PCI devices on a bus to use the same IRQ lines.
> The signals from all devices are ORed. It will only work if the guest
> OS'es drivers supports that.
>
> Linux guest required that to have scsi disks and usb devices working
> at the same time on an emulated Versatile PB machine.
PCI IRQ sharing is already implemented, at least for piix3. You should
look at that code and try to fix the related code in other PCI controllers.
Regards,
Fabrice.
next prev parent reply other threads:[~2006-09-23 17:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-23 17:25 [Qemu-devel] [PATCH] IRQ sharing in PCI bus andrzej zaborowski
2006-09-23 17:38 ` Fabrice Bellard [this message]
2006-09-23 17:43 ` Paul Brook
2006-09-23 17:53 ` Fabrice Bellard
2006-09-24 0:20 ` Paul Brook
2006-09-24 6:19 ` Blue Swirl
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